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Finding the Fourth Proportional to 276,487.35, 414,066.71 and 157,798.86

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Solution

The fourth proportional to 276,487.35, 414,066.71 and 157,798.86 is: 236,319.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,487.35 : 414,066.71 = 157,798.86 : x
  2. Step 2: Convert to fraction form
    276,487.35/414,066.71 = 157,798.86/x
  3. Step 3: Cross multiply
    276,487.35x = 414,066.71 × 157,798.86
  4. Step 4: Simplify right side
    276,487.35x = 65,339,254,801.95
  5. Step 5: Solve for x
    x = 65,339,254,801.95/276,487.35
  6. Step 6: Final answer
    x = 236,319.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.